[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] One question on alloc_bitmap
On 19/9/08 10:17, "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx> wrote: >>> Any idea on it? >> >> Yes, it could be sparsely allocated in future. No reason why not. > > Thanks for your clarification. We ask this because we are considering memory > online. I would suggest we allocate a virtual address range for the bitmap and then demand-populate mappings in that area. Just as we do for the frame_table. The alternative is an explicit radix tree data structure, but we may as well make use of the page-table structures to do the lookup work for us. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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